This integrated circuit is a battery backup circuit featuring a 4.65V threshold voltage, active low reset, and watchdog timer. It monitors a single voltage with undervoltage detection at 4.5V and overvoltage detection at 4.75V, providing a power fail warning. The device offers backup battery switchover and a reset delay time of 280ms, with a reset timeout of 140ms. Operating with a supply voltage range of 1V to 5.5V and a maximum supply current of 100uA, it is housed in a leaded SOIC package suitable for surface mounting.
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Analog Devices ADM690AARNZ technical specifications.
| Package/Case | SOIC |
| Height | 1.5mm |
| Lead Free | Contains Lead |
| Length | 5mm |
| Max Operating Temperature | 85°C |
| Min Operating Temperature | -40°C |
| Max Power Dissipation | 500mW |
| Max Reset Threshold Voltage | 4.75V |
| Min Reset Threshold Voltage | 4.5V |
| Max Supply Current | 100uA |
| Max Supply Voltage | 5.5V |
| Min Supply Voltage | 1V |
| Mount | Surface Mount |
| Number of Elements | 1 |
| Number of Monitored Inputs | 1 |
| Number of Voltages Monitored | 1 |
| Operating Supply Current | 100uA |
| Output | TOTEM-POLE |
| Overvoltage Threshold | 4.75V |
| Package Quantity | 98 |
| Packaging | Rail/Tube |
| Power Dissipation | 500mW |
| Radiation Hardening | No |
| Reach SVHC Compliant | No |
| Reset | Active Low |
| Reset Delay Time | 280ms |
| Reset Timeout | 140ms |
| RoHS Compliant | Yes |
| Supply Current | 100uA |
| Threshold Voltage | 4.65V |
| Type | Battery Backup Circuit |
| Undervoltage Threshold | 4.5V |
| Watchdog Timer | Yes |
| Width | 4mm |
| RoHS | Compliant |
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